Once written off as extinct, the silver-backed chevrotain forces scientists to confront how much of biodiversity still lives ...

SAN DIEGO COUNTY, Calif. — A deer mouse collected in routine monitoring Oct. 22 at the Los Vaqueros Group Horse Campground in Cuyamaca Rancho State Park has tested positive for the potentially deadly ...

Hantavirus is a rare but potentially deadly respiratory illness spread by infected deer mice. Humans catch the illness from exposure to rodent droppings or urine, but the risk is low, even if you’re ...

Apr. 5—Hantavirus isn't just in deer mice, according to a new peer-reviewed study from the University of New Mexico, which found the virus in a quarter of more than 1,400 small mammals tested across ...

WARSAW, Poland — A zoo in Poland says it's the first to have captured on video the birth of a rare Philippine mouse-deer, and everyone's hoping it’s a male so it can help the endangered species breed.

A deer mouse collected in Cuyamaca Rancho State Park earlier this month tested positive for hantavirus, a potentially deadly virus that can infect people, county officials said Monday. Officials said ...